1311231546254 has 16 divisors (see below), whose sum is σ = 2250818635776. Its totient is φ = 561208095000.

The previous prime is 1311231546223. The next prime is 1311231546319. The reversal of 1311231546254 is 4526451321131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62345942 + ... + 62366969.

It is an arithmetic number, because the mean of its divisors is an integer number (140676164736).

Almost surely, 2^{1311231546254} is an apocalyptic number.

1311231546254 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1311231546254 is a deficient number, since it is larger than the sum of its proper divisors (939587089522).

1311231546254 is a wasteful number, since it uses less digits than its factorization.

1311231546254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124713671.

The product of its digits is 86400, while the sum is 38.

Adding to 1311231546254 its reverse (4526451321131), we get a palindrome (5837682867385).

The spelling of 1311231546254 in words is "one trillion, three hundred eleven billion, two hundred thirty-one million, five hundred forty-six thousand, two hundred fifty-four".